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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Symptom Tests & Circuit Tests (2 Of 2) (Coupe) >> Lighting System >> Parking Light/Daytime Running Light Circuit [03/2017 - ] >> Description

Parking Light/Daytime Running Light Circuit [03/2017 - ]: Description

Parking light function: 

  1. When the main body ECU (multiplex network body ECU) receives the light control switch position signal, it sends an illumination request signal to the No. 1 headlight ECU sub-assembly LH/RH and illuminates the parking lights.

Daytime running light function: 

  1. When the operation conditions of the daytime running lights are met, the main body ECU (multiplex network body ECU) sends an illumination request signal to the No. 1 headlight ECU sub-assembly LH/RH and illuminates the daytime running lights.